Acetaldehyde → Acetaldehyde 4-chlorophenylhydrazone

HRID 129167

Reaktionsgleichung

Reaktionsgleichung von HRID 129167
Cl.[Cl:2][C:3]1[CH:8]=[CH:7][C:6]([NH:9][NH2:10])=[CH:5][CH:4]=1.[C:11]([O-])(=O)[CH3:12].[Na+].C(=O)C>O.C(O)C>[Cl:2][C:3]1[CH:8]=[CH:7][C:6]([NH:9][N:10]=[CH:11][CH3:12])=[CH:5][CH:4]=1

Komponenten

6

Edukt 3

HCID 177AcetaldehydeHCID 71600Hydrazine, (4-chlorophenyl)-, hydrochloride (1:1)HCID 517045Sodium Acetate

Produkt 1

HCID 67673770Acetaldehyde 4-chlorophenylhydrazone

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 702EthanolLösungsmittelHCID 962WaterLösungsmittel2×

Versuchsvorschrift

4-Chlorophenylhydrazine hydrochloride (5.0 g) and 3.4 g of sodium acetate were dissolved in a mixture of 50 ml of water and 25 ml of ethanol, to which 1.69 g of 80% acetaldhyde aqueous solution were added dropwise at room temperature, and the resulting mixture was stirred for 30 minutes at room temperature. After adding 50 ml of water, the reaction mixture was extracted with ethyl acetate. The organic layer was washed with water and saturated sodium chloride solution, dried and distilled off to give acetaldehyde 4-chlorophenylhydrazone as an oil.

Aufarbeitung

  1. additionwere added dropwise at room temperature
  2. extractionthe reaction mixture was extracted with ethyl acetate
  3. washThe organic layer was washed with water and saturated sodium chloride solution
  4. customdried
  5. distillationdistilled off

Quellen und Nachweise

ORD-Eintrag
ord-8abcb0682f5d4707b13980b7e95140a1
Quelldatensatz
uspto-grants-1995_11
Patentnummer
US05466820

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